Section III. OPERATORS TROUBLESHOOTING

Section II. 3-3. General To insure the tank and pump OPERATORS PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)

Table 3-2. Operators Troubleshooting-continued

TM-5-4930-228-14 Tank and Pump Unit Liquid Dispensing for Truck Mounting (Highland Industries Model 2000) FSN 4930-877-8678 Manual
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Section III. OPERATOR’S TROUBLESHOOTING 3-5. General a. T h i s s e c t i o n c o n t a i n s t r o u b l e s h o o t i n g i n- formation for locating and correcting most of the operating troubles which may develop in the tank a n d p u m p u n i t . E a c h m a l f u n c t i o n f o r a n i n- dividual component, unit, or system is followed by a list of tests or inspections which will help you to determine probable causes and corrective actions to take. You should perform the tests / inspections b. This manual cannot list all malfunctions that may o c c u r , n o r a l l t e s t s , o r i n s p e c t i o ns a nd corrective actions. If a malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor. 3-6. Operator’s Troubleshooting For operator’s troubleshooting information, refer to table 3-2. and corrective actions in the order listed. Table 3-2. Operator’s Troubleshooting MALFUNCTION TEST OR INSPECTION CORRECTIVE ACTION 1. ENGINE Step 1. Step 2. 2. ENGINE Step 1. Step 2. Step 3. 3. ENGINE Step 1. Step 2. FAILS TO START Check ignition switch for ON position. Turn ignition switch on. Check for empty fuel tank. Refill fuel tank if empty or low. STARTS BUT FAILS TO CONTINUE RUNNING Check to determine that choke lever is in proper position. Position choke lever to obtain smooth running. Check for empty fuel tank. Refill fuel tank if empty or low. Check to see if fuel strainer is dirty. Clean fuel strainer if dirty. OVERHEATS Check for dirty air shroud screen. Clean screen if dirty. Check engine for dirty exterior. Clean engine if dirty. 4. FUEL FLOW FROM NOZZLE LOW Step 1. Check pump for correct operation and engine speed. Adjust engine speed. Step 2. Check suction hose couplings for leakage. Replace non-metallic washers. Step 3. Check for dirt in screen of nozzle spout. Remove screen and clean with solvent. 5. FILTER/SEPARATOR LEAKS FUEL Step 1. Check filter / separator at top for fuel leaks. Replace cover gasket. Step 2. Check filter / separator for other leaks. If other leaks are found, notify your supervisor. 6. PUMP FAILS TO PUMP PRODUCT Step 1. Check to see that engine speed is not too low. Increase engine speed if low. Step 2. Check to see that pump is primed. Prime pump if necessary. Step 3. Check suction hose couplings for leakage. Replace the non-metallic gaskets. 3-3

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